kc3-lang/angle/src/compiler/translator/VariablePacker.h

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• Author : Tim Van Patten
  Date : 2019-09-04 15:39:58
  Hash : 90a58622
  Message : Refactor ShaderVariable to Remove Specializations The following structs are being refactored and moved into the parent struct ShaderVariable: VariableWithLocation Uniform Attribute OutputVariable InterfaceBlockField Varying Bug: angleproject:3899 Test: CQ Change-Id: I389eb3ab4ed44a360e09fca75ecc78d64a277f83 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/1785877 Reviewed-by: Jamie Madill <jmadill@chromium.org> Reviewed-by: Courtney Goeltzenleuchter <courtneygo@google.com> Commit-Queue: Tim Van Patten <timvp@google.com>

• src/compiler/translator/VariablePacker.h

• //
  // Copyright 2002 The ANGLE Project Authors. All rights reserved.
  // Use of this source code is governed by a BSD-style license that can be
  // found in the LICENSE file.
  //
  // Check whether variables fit within packing limits according to the packing rules from the GLSL ES
  // 1.00.17 spec, Appendix A, section 7.
  
  #ifndef COMPILER_TRANSLATOR_VARIABLEPACKER_H_
  #define COMPILER_TRANSLATOR_VARIABLEPACKER_H_
  
  #include <vector>
  
  #include <GLSLANG/ShaderLang.h>
  
  namespace sh
  {
  
  // Gets how many components in a row a data type takes.
  int GetTypePackingComponentsPerRow(sh::GLenum type);
  
  // Gets how many rows a data type takes.
  int GetTypePackingRows(sh::GLenum type);
  
  // Returns true if the passed in variables pack in maxVectors.
  // T should be ShaderVariable or one of the subclasses of ShaderVariable.
  bool CheckVariablesInPackingLimits(unsigned int maxVectors,
                                     const std::vector<ShaderVariable> &variables);
  
  }  // namespace sh
  
  #endif  // COMPILER_TRANSLATOR_VARIABLEPACKER_H_